There are only official system requirements on the site which are released by developers or an official publisher.

Minimale Systemanforderungen:

CPU:

2.0 GHz P4 processor or equivalent (XP/Vista)

RAM:

512 MB RAM (XP)
768 MB RAM (Vista)

GPU:

A 128 MB Video Card*, with support for Pixel Shader 2.0

Store:

At least 6 GB of hard drive space

Anmerkung: When launching the game, some Microsoft Vista users may receive a warning about running out of address space along with a link to the Microsoft Knowledge Base. If you see this message, it is recommended that you follow the instructions and go to the website listed in the message to update your system.